TOYO INK CO., LTD.
|TOYO INK CO., LTD. Patent applications|
|Patent application number||Title||Published|
|20130289185||ALCOHOL-BASED PRINTING INK COMPOSITION - An alcohol-based printing ink composition comprising: a polyurethane urea resin (D) that is obtained by a reaction of polyol (A), diisocyanate (B), and a chain extender (C); a coloring agent (E); and a medium comprising an alcohol (F) and water, wherein the polyol (A) contains polyether polyol (A1) and polyester polyol (A2), and the medium comprises 75% by weight or more of alcohol (F).||10-31-2013|
|20130139722||ACTIVE ENERGY RAY-CURABLE INKJET INK COMPOSITION - Specifically provided is a single pass-curable ink having high color reproducibility and high curing properties at the same time and having high dischargeability when used in printing at high frequency and high jetting speed, as compared with conventional ones. An active energy ray-curable inkjet ink composition contains a metal lake pigment of a rhodamine dye as a pigment, and the active energy ray-curable inkjet ink composition may contain 0.5 to 10% by weight of Pigment Violet 1, Pigment Violet 1:1, Pigment Violet 2, Pigment Violet 2:2, Pigment Red 81, Pigment Red 81:1, Pigment Red 81:2, Pigment Red 81:3, Pigment Red 81:4, Pigment Red 81:5, Pigment Red 169, or Pigment Red 173 as the metal lake pigment of the rhodamine dye based on the total weight of the ink.||06-06-2013|
|20130079447||AQUEOUS INKJET INK COMPOSITION - An aqueous inkjet ink composition comprising a pigment, a pigment-dispersing resin, resin fine particles (A), water, and hydrophilic solvents (B), the resin fine particles (A) being formed by emulsion polymerizing ethylenically unsaturated monomers including: 20% to 80% by weight of an aromatic ethylenically unsaturated monomer (C) that does not have an ionic functional group; 0.6% to 6% by weight of water-soluble ethylenically unsaturated monomers (F) consisting of 0.5% to 3% by weight of a sulfonic acid group-containing ethylenically unsaturated monomer (D) and 0.1% to 3% by weight of a nonionic water-soluble ethylenically unsaturated monomer (E); and 0.1% to 10% by weight of a crosslinkable ethylenically unsaturated monomer (G), and the hydrophilic solvents (B) including a glycol-based solvent (H) and an ethylene glycol ether-based solvent (I) is provided.||03-28-2013|
|20130045342||COATING AGENT FOR FORMING INKJET INK-RECEIVING LAYER, RECORDING MEDIUM OBTAINED WITH SAME, AND PRINTED MATTER - Provided is a coating agent for forming an inkjet ink-receiving layer, which is intended to have excellent water resistance, to have suppressed occurrence of white spots/white streaks of images, and to have satisfactory ink dryability and excellent image forming properties, and which contains a crosslinked vinyl emulsion formed by emulsion polymerization of a monomer mixture including (A) a monomer having two or more ethylenically unsaturated groups, (B) a monomer having a carboxyl group and one ethylenically unsaturated group, and (C) a monomer having a hydrophobic group having 1 to 12 carbon atoms and one ethylenically unsaturated group.||02-21-2013|
|20120252919||ACTIVE ENERGY RAY-CURABLE INKJET INK COMPOSITION - An ink composition which is used for active energy ray-curable inkjet printing, has excellent curability or adhesiveness to multiple base materials while having low viscosity, and exhibits excellent non-yellowing properties of the printed matter is provided. The composition comprises a polymerizable monomer (A) and photopolymerization initiators (B), the polymerizable monomer comprising 2-(2-vinyloxyethoxy)ethyl acrylate (A-1), and the photopolymerization initiators comprising oligo(2-hydroxy-2-methyl-1-(4-(1-methylvinyl)phenyl)propanone) (B-1) and other initiator (B-2).||10-04-2012|
|20120003435||ACTIVE ENERGY RAY CURABLE INKJET INK COMPOSITION - There is provided an inkjet ink which has satisfactory storage stability and inkjet ejection stability, exhibits excellent curability, and is capable of forming high quality images on coated paper by an inkjet system.||01-05-2012|
Patent applications by TOYO INK CO., LTD.